:root {
  --canvas: #f6f0e7;
  --paper: #fffdf8;
  --ink: #2f2924;
  --muted: #6f6258;
  --red: #7a302c;
  --red-dark: #61231f;
  --gold: #b59a6a;
  --line: rgba(47, 41, 36, 0.16);
  --header-height: 84px;
  --page-pad: clamp(24px, 5vw, 80px);
  --max-width: 1440px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--canvas);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::selection {
  color: var(--paper);
  background: var(--red);
}

section[id] {
  scroll-margin-top: 68px;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 10px;
  left: 10px;
  padding: 12px 18px;
  color: var(--paper);
  background: var(--red);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.scroll-progress {
  position: fixed;
  z-index: 160;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  pointer-events: none;
}

.scroll-progress i {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

.site-header {
  position: fixed;
  z-index: 150;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  height: var(--header-height);
  padding: 0 var(--page-pad);
  border-bottom: 1px solid transparent;
  transition: height 320ms var(--ease), background 320ms ease, border-color 320ms ease;
}

.site-header.is-scrolled {
  height: 68px;
  border-color: var(--line);
  background: rgba(246, 240, 231, 0.9);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.brand {
  justify-self: start;
}

.brand img {
  width: 132px;
  height: 56px;
  object-fit: contain;
  object-position: left center;
}

.site-nav {
  display: flex;
  gap: 34px;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.06em;
}

.site-nav a,
.header-link {
  position: relative;
  padding: 12px 0;
}

.site-header:not(.is-scrolled) .header-link {
  color: var(--paper);
  text-shadow: 0 1px 12px rgba(47, 41, 36, 0.28);
}

.site-nav a::after,
.header-link::after {
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--red);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 260ms var(--ease);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.header-link:hover::after,
.header-link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-link {
  justify-self: end;
  color: var(--red);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.hero {
  position: relative;
  min-height: min(940px, 86svh);
  overflow: hidden;
  background: #e8dccb;
}

.hero-media,
.hero-media img,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  overflow: hidden;
  clip-path: inset(0 0 0 100%);
  transition: clip-path 1300ms var(--ease) 80ms;
}

.is-ready .hero-media {
  clip-path: inset(0);
}

.hero-media img {
  object-fit: cover;
  object-position: center center;
  transform: scale(1.035);
  transition: transform 1600ms var(--ease) 80ms;
}

.is-ready .hero-media img {
  transform: scale(1);
}

.hero-shade {
  background: linear-gradient(90deg, rgba(246, 240, 231, 0.96) 0%, rgba(246, 240, 231, 0.9) 31%, rgba(246, 240, 231, 0.55) 49%, rgba(246, 240, 231, 0.05) 73%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-rows: 1fr auto;
  width: min(100%, var(--max-width));
  min-height: min(940px, 86svh);
  margin: 0 auto;
  padding: calc(var(--header-height) + 56px) var(--page-pad) 42px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-self: center;
  max-width: 660px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--red);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.2em;
  line-height: 1.5;
}

.hero h1,
.manifesto h2,
.about h2,
.standards h2,
.craft h2,
.closing h2 {
  margin: 0;
  font-weight: 760;
  letter-spacing: 0.01em;
  line-height: 1.12;
}

.hero h1 {
  font-size: clamp(58px, 6.3vw, 104px);
}

.hero h1 span,
.manifesto h2 span,
.about h2 span,
.standards h2 span,
.craft h2 span,
.closing h2 span {
  display: block;
}

.mobile-break {
  display: none;
}

.hero h1 span:last-child {
  color: var(--red);
}

.hero-lead {
  max-width: 26em;
  margin: 28px 0 32px;
  color: var(--muted);
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.85;
}

.primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  align-self: flex-start;
  min-width: 166px;
  min-height: 52px;
  padding: 0 22px;
  color: var(--paper);
  background: var(--red);
  border: 1px solid var(--red);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: color 260ms ease, background 260ms ease, transform 180ms ease;
}

.primary-action i {
  position: relative;
  width: 24px;
  height: 1px;
  margin-left: 20px;
  background: currentColor;
  transition: transform 260ms var(--ease);
}

.primary-action i::after {
  position: absolute;
  top: -3px;
  right: 0;
  width: 7px;
  height: 7px;
  content: "";
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
}

.primary-action:hover,
.primary-action:focus-visible {
  color: var(--red);
  background: rgba(255, 253, 248, 0.52);
}

.primary-action:hover i,
.primary-action:focus-visible i {
  transform: translateX(5px);
}

.primary-action:active {
  transform: translateY(1px) scale(0.985);
}

.hero-signature {
  display: flex;
  align-items: center;
  gap: 15px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.18em;
}

.hero-signature i {
  width: 42px;
  height: 1px;
  background: var(--gold);
}

.hero-enter {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 760ms var(--ease), transform 760ms var(--ease);
}

.is-ready .hero-enter {
  opacity: 1;
  transform: translateY(0);
}

.is-ready .hero-enter-1 { transition-delay: 360ms; }
.is-ready .hero-enter-2 { transition-delay: 460ms; }
.is-ready .hero-enter-3 { transition-delay: 580ms; }
.is-ready .hero-enter-4 { transition-delay: 700ms; }

.section-pad {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: clamp(96px, 10vw, 160px) var(--page-pad);
}

.section-kicker {
  display: flex;
  justify-content: space-between;
  grid-column: 1 / 13;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  color: var(--red);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.18em;
}

.section-kicker span:last-child {
  color: var(--muted);
  letter-spacing: 0.1em;
}

.manifesto {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(18px, 2.3vw, 36px);
  padding-top: clamp(72px, 6vw, 104px);
  padding-bottom: clamp(78px, 7vw, 120px);
}

.manifesto-grid {
  display: contents;
}

.manifesto h2 {
  grid-column: 2 / 9;
  margin-top: clamp(42px, 4vw, 62px);
  font-size: clamp(44px, 4.9vw, 76px);
}

.manifesto-copy {
  grid-column: 9 / 13;
  margin-top: clamp(88px, 7vw, 116px);
}

.manifesto-copy p,
.about-copy > p,
.craft-copy > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.95;
}

.manifesto-copy p + p {
  margin-top: 20px;
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(360px, 0.94fr);
  align-items: center;
  gap: clamp(72px, 10vw, 150px);
  border-top: 1px solid var(--line);
  padding-top: clamp(82px, 7vw, 116px);
  padding-bottom: clamp(86px, 8vw, 128px);
}

.about-visual {
  position: relative;
  min-height: 620px;
  padding-right: 16%;
  padding-bottom: 18%;
}

.about-visual picture {
  overflow: hidden;
  background: #e9dfd1;
}

.about-visual picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portrait {
  display: block;
  width: 78%;
  aspect-ratio: 4 / 5;
}

.material {
  position: absolute;
  right: 0;
  bottom: 6%;
  display: block;
  width: 48%;
  aspect-ratio: 4 / 3;
  border: 12px solid var(--canvas);
}

.image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.17em;
}

.about-copy .eyebrow {
  margin-bottom: 22px;
}

.about h2,
.standards h2,
.craft h2,
.closing h2 {
  font-size: clamp(40px, 4.6vw, 70px);
}

.about-company {
  margin: 34px 0 14px !important;
  color: var(--ink) !important;
  font-size: 19px !important;
  font-weight: 700;
}

.about-facts {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 22px;
  margin: 42px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.about-facts dt {
  margin-bottom: 9px;
  color: var(--red);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.16em;
}

.about-facts dd {
  margin: 0;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.6;
}

.standards {
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(560px, 1.15fr);
  gap: clamp(68px, 10vw, 160px);
  width: 100%;
  max-width: none;
  padding-right: max(var(--page-pad), calc((100vw - var(--max-width)) / 2 + var(--page-pad)));
  padding-left: max(var(--page-pad), calc((100vw - var(--max-width)) / 2 + var(--page-pad)));
  color: var(--paper);
  background: var(--ink);
}

.standards-heading .eyebrow,
.craft-copy .eyebrow {
  color: var(--gold);
}

.principle {
  position: relative;
  display: grid;
  grid-template-columns: 0.55fr 0.8fr 1.45fr;
  align-items: baseline;
  gap: 26px;
  padding: 34px 0;
  border-top: 1px solid rgba(255, 253, 248, 0.2);
}

.principle::before {
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  content: "";
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 900ms var(--ease) 180ms;
}

.principle.is-visible::before {
  transform: scaleX(1);
}

.principle:last-child {
  border-bottom: 1px solid rgba(255, 253, 248, 0.2);
}

.principle-en {
  color: var(--gold);
  font-size: 9px;
  font-weight: 760;
  letter-spacing: 0.18em;
}

.principle h3 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0.04em;
}

.principle p {
  margin: 0;
  color: rgba(255, 253, 248, 0.68);
  font-size: 14px;
  line-height: 1.85;
}

.craft {
  position: relative;
  min-height: min(820px, 76svh);
  overflow: hidden;
  color: var(--paper);
  background: var(--ink);
}

.craft-media,
.craft-media img,
.craft-shade {
  position: absolute;
  inset: -2%;
  width: 104%;
  height: 104%;
}

.craft-media img {
  object-fit: cover;
  object-position: center center;
}

.craft-shade {
  background: linear-gradient(90deg, rgba(32, 27, 23, 0.92) 0%, rgba(32, 27, 23, 0.7) 40%, rgba(32, 27, 23, 0.1) 74%);
}

.craft-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  width: min(100%, var(--max-width));
  min-height: min(820px, 76svh);
  margin: 0 auto;
  padding: 96px var(--page-pad);
}

.craft-copy h2 {
  max-width: 900px;
}

.craft-copy > p:last-child {
  max-width: 32em;
  margin-top: 24px;
  color: rgba(255, 253, 248, 0.72);
}

.closing {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  align-items: end;
  gap: clamp(60px, 9vw, 140px);
  width: 100%;
  max-width: none;
  padding-right: max(var(--page-pad), calc((100vw - var(--max-width)) / 2 + var(--page-pad)));
  padding-left: max(var(--page-pad), calc((100vw - var(--max-width)) / 2 + var(--page-pad)));
  color: var(--paper);
  background: var(--red);
}

.closing-brand span {
  display: block;
  margin-top: 26px;
  color: rgba(255, 253, 248, 0.62);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.closing-logo {
  width: min(300px, 100%);
}

.closing-copy > p {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: 0.18em;
}

.closing-copy address {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 253, 248, 0.26);
  color: rgba(255, 253, 248, 0.74);
  font-size: 13px;
  font-style: normal;
  line-height: 1.9;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: 18px var(--page-pad);
  color: rgba(255, 253, 248, 0.68);
  background: var(--ink);
  font-size: 11px;
}

.site-footer div {
  display: flex;
  gap: 28px;
}

.site-footer a {
  padding: 10px 0;
  border-bottom: 1px solid rgba(181, 154, 106, 0.45);
  transition: color 180ms ease, border-color 180ms ease;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--paper);
  border-color: var(--gold);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 780ms var(--ease), transform 780ms var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.image-reveal {
  clip-path: inset(0);
}

.image-reveal img {
  transform: scale(1.025);
  transition: transform 1300ms var(--ease);
}

.image-reveal.is-visible {
  clip-path: inset(0);
}

.image-reveal.is-visible img {
  transform: scale(1);
}

[data-parallax] {
  will-change: transform;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 5px;
}

@media (max-width: 1080px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { display: none; }
  .manifesto h2 { grid-column: 1 / 9; }
  .manifesto-copy { grid-column: 9 / 13; }
  .about { grid-template-columns: minmax(0, 1fr) minmax(340px, 0.9fr); gap: 64px; }
  .about-visual { min-height: 580px; }
  .standards { grid-template-columns: 1fr; gap: 58px; }
}

@media (max-width: 820px) {
  :root { --header-height: 72px; }
  .site-header, .site-header.is-scrolled { height: var(--header-height); }
  .brand img { width: 108px; height: 48px; }
  .header-link {
    position: absolute;
    right: var(--page-pad);
    padding: 9px 13px;
    border: 1px solid rgba(122, 48, 44, 0.22);
    border-radius: 999px;
    font-size: 12px;
  }
  .site-header:not(.is-scrolled) .header-link {
    color: var(--red);
    border-color: rgba(122, 48, 44, 0.32);
    background: rgba(255, 253, 248, 0.78);
    backdrop-filter: blur(10px);
  }
  .hero { min-height: 760px; }
  .hero-inner { min-height: 760px; padding-top: calc(var(--header-height) + 64px); }
  .hero-media img { object-position: 62% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(246, 240, 231, 0.94) 0%, rgba(246, 240, 231, 0.8) 48%, rgba(246, 240, 231, 0.14) 86%); }
  .hero-copy { max-width: 500px; }
  .hero h1 { font-size: clamp(54px, 11vw, 78px); }
  .manifesto { display: block; }
  .manifesto h2 { margin-top: 48px; }
  .manifesto-copy { max-width: 42em; margin-top: 42px; margin-left: auto; }
  .about { grid-template-columns: 1fr; }
  .about-visual { width: min(100%, 680px); min-height: 760px; }
  .about-copy { max-width: 620px; }
  .closing { grid-template-columns: 1fr; align-items: start; }
  .closing-logo { width: 240px; }
  [data-parallax] { will-change: auto; }
}

@media (max-width: 560px) {
  :root { --page-pad: 22px; }
  .hero { min-height: 700px; }
  .hero-inner { min-height: 700px; padding-top: 118px; padding-bottom: 30px; }
  .hero-media img { object-position: 68% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(246, 240, 231, 0.95) 0%, rgba(246, 240, 231, 0.84) 58%, rgba(246, 240, 231, 0.18) 100%); }
  .hero-copy { align-self: start; }
  .hero h1 { font-size: clamp(50px, 14vw, 68px); line-height: 1.13; }
  .hero-lead { max-width: 17em; font-size: 15px; line-height: 1.8; }
  .primary-action { min-width: 154px; min-height: 50px; }
  .hero-signature { gap: 10px; font-size: 10px; }
  .hero-signature i { width: 28px; }
  .section-pad { padding-top: 84px; padding-bottom: 84px; }
  .manifesto h2 { font-size: clamp(33px, 9vw, 40px); line-height: 1.16; }
  .mobile-break { display: block; }
  .about h2, .standards h2, .craft h2, .closing h2 { font-size: clamp(36px, 10vw, 48px); line-height: 1.16; }
  .manifesto-copy p, .about-copy > p, .craft-copy > p:last-child { font-size: 15px; line-height: 1.9; }
  .about { gap: 56px; }
  .about-visual { min-height: 510px; padding-right: 10%; padding-bottom: 19%; }
  .portrait { width: 82%; }
  .material { width: 50%; border-width: 8px; }
  .about-facts { grid-template-columns: 1fr; }
  .principle { grid-template-columns: 1fr; gap: 9px; padding: 28px 0; }
  .principle h3 { font-size: 22px; }
  .craft, .craft-copy { min-height: 640px; }
  .craft-media img { object-position: 62% center; }
  .craft-shade { background: linear-gradient(0deg, rgba(32, 27, 23, 0.92) 0%, rgba(32, 27, 23, 0.63) 54%, rgba(32, 27, 23, 0.18) 100%); }
  .craft-copy { justify-content: flex-end; padding-top: 70px; padding-bottom: 58px; }
  .closing { gap: 50px; }
  .site-footer, .site-footer div { flex-direction: column; align-items: flex-start; }
  .site-footer { gap: 16px; padding-top: 26px; padding-bottom: 26px; }
  .site-footer div { gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .hero-media { clip-path: inset(0); }
  .hero-media img, .hero-enter, [data-reveal], .image-reveal, .image-reveal img, [data-parallax] {
    opacity: 1;
    clip-path: none;
    transform: none !important;
  }
}
